John McCarthy
Chief Executive Officer @Oxford Systems
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WORK HISTORY
Chief Executive Officer @Oxford Systems
Oxford, GB
Founder and CEO of Oxford Systems, providing specialist cybersecurity advisory, assurance, audit, resilience, and training services.Key areas of work include:cyber assurance and auditaviation and airport cybersecuritycritical national infrastructure protectioncyber governance and resilienceincident response and crisis preparednessISO 27001-aligned risk assessmentcloud migration securityboard-level and executive cyber advisoryoperational technology, ICS and SCADA securitycybersecurity training and masterclass deliveryOxford Systems supports organisations operating in complex and regulated environments, with particular expertise in aviation, transport, and operationally critical systems.
EDUCATION
Buckinghamshire New University
Bsc Hons, Internet Technology
Brunel University of London
PhD, Cyber Security and e-business
SKILLS
ABOUT JOHN MCCARTHY
I am a Chartered Cyber Security Professional, founder and CEO of Oxford Systems, and an experienced academic, advisor, and speaker specialising in cybersecurity, cyber resilience, and critical infrastructure protection.My work spans enterprise cybersecurity, aviation and airport security, operational technology, SCADA and ICS environments, cyber governance, resilience, audit, risk management, incident response, and executive education. I have advised organisations across complex and highly regulated sectors on cyber strategy, assurance, compliance, security transformation, cloud migration, cyber roadmaps, and board-level decision-making.I am particularly known for my work in aviation and critical national infrastructure, including airport cybersecurity, operational resilience, and cyber assurance in safety-critical environments. My background also includes ISO 27001-aligned risk assessment, cyber resilience auditing, OSINT, fraud prevention, secure systems, and the wider governance and leadership dimensions of cyber security.Alongside industry practice, I have more than 25 years of experience in higher education, professional training, and international masterclass delivery. I have designed and delivered postgraduate teaching, supervised research, spoken at conferences, and contributed to thought leadership on airport cybersecurity, SCADA security, cyber resilience, digital investigation, and emerging technologies.My focus is on helping organisations and leaders turn cyber complexity into practical action through clear governance, effective assurance, resilient operations, and real-world implementation.
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